Pew Research Center survey reports, demographic studies and data-driven analysis.
Polling methods are changing, but reporting the views of Asian Americans remains a challenge
The rise of internet polling makes it more feasible to publish estimates for Asian Americans. But these estimates offer a limited view.
The coronavirus pandemic's impact on our polling
Associate Director for International Research Methods Patrick Moynihan explored the impacts of the coronavirus pandemic on survey research globally as part of an online conference hosted by the Centre for Social Research and Methods at Australian National University.
What is machine learning, and how does it work?
Our latest Methods 101 video explains the basics of machine learning and how it allows our researchers to analyze data on a large scale.
What is machine learning, and how does it work?
The coronavirus pandemic’s impact on Pew Research Center’s global polling
Our response to the pandemic has included the difficult decision to suspend much of our international survey work until further notice.
Assessing the Risks to Online Polls From Bogus Respondents
While the growth of online interviewing is a prominent trend in polling, there is variation within that trend in how researchers recruit respondents. This study finds that sourcing affects data quality.
Q&A: How Pew Research Center evaluated Americans' trust in 30 news sources
Our director of journalism studies explains how we determined what media outlets Americans turn to and trust for their political news.
Our favorite Pew Research Center data visualizations of 2019
Our graphics team creates hundreds of charts, maps and other data visualizations every year. Here are some of our favorite graphics of 2019.
A Field Guide to Polling: Election 2020 Edition
While survey research in the United States is a year-round undertaking, the public’s focus on polling is never more intense than during the run-up to a presidential election.
Q&A: How Pew Research Center estimated the number of unauthorized immigrants in Europe
In this Q&A and video, learn about the methods and data sources the Center used to estimate the number of unauthorized immigrants in Europe.